AirHint found the following cheapest return flights from Riga (RIX) to Porto (OPO) in November 2025 (see full year).

Return flights

26 Nov - 30 Nov	Ryanair
08 Nov - 15 Nov	Ryanair
24 Nov - 05 Dec	Lufthansa
14 Nov - 18 Nov	Norwegian Air Sweden AOC
05 Nov - 09 Nov	Ryanair
01 Nov - 08 Nov	Ryanair
15 Nov - 22 Nov	Ryanair
01 Nov - 08 Nov	airBaltic	direct
15 Nov - 22 Nov	airBaltic	direct
08 Nov - 15 Nov	airBaltic	direct

Also check the deals for one-way flights from Riga to Porto in November.

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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Cheapest return flights from Riga to Porto in November from 176€

Return flights